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Finding the Fourth Proportional to 36,587.60, 54,881.40 and 8,885.60

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Solution

The fourth proportional to 36,587.60, 54,881.40 and 8,885.60 is: 13,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,587.60 : 54,881.40 = 8,885.60 : x
  2. Step 2: Convert to fraction form
    36,587.60/54,881.40 = 8,885.60/x
  3. Step 3: Cross multiply
    36,587.60x = 54,881.40 × 8,885.60
  4. Step 4: Simplify right side
    36,587.60x = 487,654,167.84
  5. Step 5: Solve for x
    x = 487,654,167.84/36,587.60
  6. Step 6: Final answer
    x = 13,328.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.